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Finding the Fourth Proportional to 13,295.95, 18,348.53 and 7,327.83

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Solution

The fourth proportional to 13,295.95, 18,348.53 and 7,327.83 is: 10,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.95 : 18,348.53 = 7,327.83 : x
  2. Step 2: Convert to fraction form
    13,295.95/18,348.53 = 7,327.83/x
  3. Step 3: Cross multiply
    13,295.95x = 18,348.53 × 7,327.83
  4. Step 4: Simplify right side
    13,295.95x = 134,454,995.72
  5. Step 5: Solve for x
    x = 134,454,995.72/13,295.95
  6. Step 6: Final answer
    x = 10,112.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.